1Fall of the Berlin Wall in 1989 19% 2World War II 18% 3Luther's Protestant Reformation 12% 4World War I 10% 5Mass murder of European Jewry 7% 6Construction of the Berlin Wall in 1961 6% 7German reunification in 1990 5% 8Foundation of the German Empire in 1871 5% 9Nazism and Third Reich 4%10Founding of the European Union 2%